Fig 3. Labeling index of Ki-67+ cells/taste bud in fungiform and circumvallate papillae.
Mean±SEM Ki67+ cells/total cells (labeling index) for fungiform (top) and circumvallate (bottom) papillae at 0, 4, 8, 10, 12 and 16 days post CYP injection (n = 5 mice/group). Ki67 signal was significantly lower than controls (day 0) at 4 days after CYP injection. The indexes of Ki67+ label were significantly greater than controls between days 8–12 in fungiform papillae, and 10 and 12 days in circumvallate papillae. * P<0.05, ** P<0.01, *** P<0.001.